HEADER METAL TRANSPORT 12-DEC-06 2O84 TITLE CRYSTAL STRUCTURE OF K206E MUTANT OF N-LOBE HUMAN TRANSFERRIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SEROTRANSFERRIN; COMPND 3 CHAIN: X; COMPND 4 FRAGMENT: N-LOBE; COMPND 5 SYNONYM: TRANSFERRIN, SIDEROPHILIN, BETA-1-METAL-BINDING GLOBULIN; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: MESOCRICETUS AURATUS; SOURCE 6 EXPRESSION_SYSTEM_COMMON: GOLDEN HAMSTER; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 10036; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: BHK; SOURCE 9 EXPRESSION_SYSTEM_ORGAN: KIDNEY; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PNUT KEYWDS HUMAN TRANSFERRIN, IRON BINDING AND RELEASE, DILYSINE PAIR, METAL KEYWDS 2 TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR H.M.BAKER,D.NURIZZO,A.B.MASON,E.N.BAKER REVDAT 6 30-AUG-23 2O84 1 REMARK REVDAT 5 20-OCT-21 2O84 1 REMARK SEQADV LINK REVDAT 4 18-OCT-17 2O84 1 REMARK REVDAT 3 24-FEB-09 2O84 1 VERSN REVDAT 2 17-APR-07 2O84 1 JRNL REVDAT 1 23-JAN-07 2O84 0 JRNL AUTH H.M.BAKER,D.NURIZZO,A.B.MASON,E.N.BAKER JRNL TITL STRUCTURES OF TWO MUTANTS THAT PROBE THE ROLE IN IRON JRNL TITL 2 RELEASE OF THE DILYSINE PAIR IN THE N-LOBE OF HUMAN JRNL TITL 3 TRANSFERRIN. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 63 408 2007 JRNL REFN ISSN 0907-4449 JRNL PMID 17327678 JRNL DOI 10.1107/S0907444907000182 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.3.0008 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 21.02 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 10358 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.216 REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 521 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.67 REMARK 3 REFLECTION IN BIN (WORKING SET) : 731 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1800 REMARK 3 BIN FREE R VALUE SET COUNT : 30 REMARK 3 BIN FREE R VALUE : 0.3240 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2550 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 129 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 32.58 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.02000 REMARK 3 B22 (A**2) : 0.07000 REMARK 3 B33 (A**2) : -0.09000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.365 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.257 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 11.456 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.887 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.825 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2623 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3552 ; 1.273 ; 1.961 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 328 ; 5.392 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 119 ;32.633 ;24.454 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 435 ;16.260 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;20.708 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 375 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2016 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1250 ; 0.205 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1757 ; 0.306 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 131 ; 0.147 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.045 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 24 ; 0.205 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 9 ; 0.219 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1641 ; 0.460 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2620 ; 0.868 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 996 ; 1.257 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 932 ; 2.116 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2O84 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-DEC-06. REMARK 100 THE DEPOSITION ID IS D_1000040806. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUN-05 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : OSMIC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10917 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 22.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.13900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.20 REMARK 200 R MERGE FOR SHELL (I) : 0.37700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: N-LOBE HUMAN TRANSFERRIN, PDB CODE 1A8E REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 35MG/ML, 0.1M AMMONIUM REMARK 280 BICRBONATE. WELL: 18% PEG3350, 0.2M POTASSIUM ACETATE, PH 7.4, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 22.08650 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 67.79150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.65850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 67.79150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.08650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.65850 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: X REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 VAL X 1 REMARK 465 PRO X 2 REMARK 465 PRO X 332 REMARK 465 GLU X 333 REMARK 465 ALA X 334 REMARK 465 PRO X 335 REMARK 465 THR X 336 REMARK 465 ASP X 337 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 LYS X 4 47.15 -108.44 REMARK 500 SER X 12 178.17 74.43 REMARK 500 SER X 87 160.91 177.79 REMARK 500 PHE X 107 161.49 -43.32 REMARK 500 GLN X 108 -165.01 -125.21 REMARK 500 TRP X 128 -63.41 -135.59 REMARK 500 SER X 155 44.89 -101.55 REMARK 500 CYS X 161 -4.83 83.09 REMARK 500 CYS X 179 38.49 -98.36 REMARK 500 GLU X 237 41.75 -100.37 REMARK 500 LEU X 294 -48.44 67.94 REMARK 500 ARG X 308 29.24 46.88 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE X 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP X 63 OD2 REMARK 620 2 TYR X 95 OH 89.9 REMARK 620 3 TYR X 188 OH 178.1 90.8 REMARK 620 4 HIS X 249 NE2 82.6 91.6 99.1 REMARK 620 5 CO3 X 600 O1 85.0 159.7 93.7 107.2 REMARK 620 6 CO3 X 600 O2 79.8 99.0 98.4 159.4 60.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K X 601 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA X 151 O REMARK 620 2 ASN X 152 O 70.4 REMARK 620 3 PHE X 154 O 59.3 71.5 REMARK 620 4 GLN X 169 OE1 74.9 145.3 90.0 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE X 500 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CO3 X 600 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K X 601 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2O7U RELATED DB: PDB REMARK 900 RELATED ID: 1EH3 RELATED DB: PDB REMARK 900 RELATED ID: 1H43 RELATED DB: PDB DBREF 2O84 X 1 337 UNP P02787 TRFE_HUMAN 20 356 SEQADV 2O84 GLU X 206 UNP P02787 LYS 225 ENGINEERED MUTATION SEQRES 1 X 337 VAL PRO ASP LYS THR VAL ARG TRP CYS ALA VAL SER GLU SEQRES 2 X 337 HIS GLU ALA THR LYS CYS GLN SER PHE ARG ASP HIS MET SEQRES 3 X 337 LYS SER VAL ILE PRO SER ASP GLY PRO SER VAL ALA CYS SEQRES 4 X 337 VAL LYS LYS ALA SER TYR LEU ASP CYS ILE ARG ALA ILE SEQRES 5 X 337 ALA ALA ASN GLU ALA ASP ALA VAL THR LEU ASP ALA GLY SEQRES 6 X 337 LEU VAL TYR ASP ALA TYR LEU ALA PRO ASN ASN LEU LYS SEQRES 7 X 337 PRO VAL VAL ALA GLU PHE TYR GLY SER LYS GLU ASP PRO SEQRES 8 X 337 GLN THR PHE TYR TYR ALA VAL ALA VAL VAL LYS LYS ASP SEQRES 9 X 337 SER GLY PHE GLN MET ASN GLN LEU ARG GLY LYS LYS SER SEQRES 10 X 337 CYS HIS THR GLY LEU GLY ARG SER ALA GLY TRP ASN ILE SEQRES 11 X 337 PRO ILE GLY LEU LEU TYR CYS ASP LEU PRO GLU PRO ARG SEQRES 12 X 337 LYS PRO LEU GLU LYS ALA VAL ALA ASN PHE PHE SER GLY SEQRES 13 X 337 SER CYS ALA PRO CYS ALA ASP GLY THR ASP PHE PRO GLN SEQRES 14 X 337 LEU CYS GLN LEU CYS PRO GLY CYS GLY CYS SER THR LEU SEQRES 15 X 337 ASN GLN TYR PHE GLY TYR SER GLY ALA PHE LYS CYS LEU SEQRES 16 X 337 LYS ASP GLY ALA GLY ASP VAL ALA PHE VAL GLU HIS SER SEQRES 17 X 337 THR ILE PHE GLU ASN LEU ALA ASN LYS ALA ASP ARG ASP SEQRES 18 X 337 GLN TYR GLU LEU LEU CYS LEU ASP ASN THR ARG LYS PRO SEQRES 19 X 337 VAL ASP GLU TYR LYS ASP CYS HIS LEU ALA GLN VAL PRO SEQRES 20 X 337 SER HIS THR VAL VAL ALA ARG SER MET GLY GLY LYS GLU SEQRES 21 X 337 ASP LEU ILE TRP GLU LEU LEU ASN GLN ALA GLN GLU HIS SEQRES 22 X 337 PHE GLY LYS ASP LYS SER LYS GLU PHE GLN LEU PHE SER SEQRES 23 X 337 SER PRO HIS GLY LYS ASP LEU LEU PHE LYS ASP SER ALA SEQRES 24 X 337 HIS GLY PHE LEU LYS VAL PRO PRO ARG MET ASP ALA LYS SEQRES 25 X 337 MET TYR LEU GLY TYR GLU TYR VAL THR ALA ILE ARG ASN SEQRES 26 X 337 LEU ARG GLU GLY THR CYS PRO GLU ALA PRO THR ASP HET FE X 500 1 HET CO3 X 600 4 HET K X 601 1 HETNAM FE FE (III) ION HETNAM CO3 CARBONATE ION HETNAM K POTASSIUM ION FORMUL 2 FE FE 3+ FORMUL 3 CO3 C O3 2- FORMUL 4 K K 1+ FORMUL 5 HOH *129(H2 O) HELIX 1 1 SER X 12 VAL X 29 1 18 HELIX 2 2 SER X 44 ALA X 54 1 11 HELIX 3 3 ASP X 63 LEU X 72 1 10 HELIX 4 4 GLN X 108 LEU X 112 5 5 HELIX 5 5 TRP X 128 LEU X 135 1 8 HELIX 6 6 PRO X 145 PHE X 154 1 10 HELIX 7 7 PHE X 167 GLN X 172 5 6 HELIX 8 8 PHE X 186 ASP X 197 1 12 HELIX 9 9 THR X 209 ASN X 213 5 5 HELIX 10 10 ASN X 216 ASP X 221 1 6 HELIX 11 11 ASP X 236 CYS X 241 5 6 HELIX 12 12 LYS X 259 GLY X 275 1 17 HELIX 13 13 ASP X 310 GLY X 316 1 7 HELIX 14 14 GLY X 316 GLU X 328 1 13 SHEET 1 A 2 THR X 5 VAL X 11 0 SHEET 2 A 2 SER X 36 LYS X 42 1 O ALA X 38 N TRP X 8 SHEET 1 B 4 VAL X 60 LEU X 62 0 SHEET 2 B 4 THR X 250 ALA X 253 -1 O THR X 250 N LEU X 62 SHEET 3 B 4 LYS X 78 TYR X 85 -1 N VAL X 80 O VAL X 251 SHEET 4 B 4 ALA X 299 LYS X 304 -1 O HIS X 300 N PHE X 84 SHEET 1 C 6 SER X 157 CYS X 158 0 SHEET 2 C 6 SER X 117 HIS X 119 1 N HIS X 119 O CYS X 158 SHEET 3 C 6 VAL X 202 GLU X 206 1 O VAL X 202 N CYS X 118 SHEET 4 C 6 PHE X 94 LYS X 102 -1 N VAL X 100 O ALA X 203 SHEET 5 C 6 TYR X 223 LEU X 226 -1 O GLU X 224 N VAL X 101 SHEET 6 C 6 ARG X 232 PRO X 234 -1 O LYS X 233 N LEU X 225 SHEET 1 D 5 SER X 157 CYS X 158 0 SHEET 2 D 5 SER X 117 HIS X 119 1 N HIS X 119 O CYS X 158 SHEET 3 D 5 VAL X 202 GLU X 206 1 O VAL X 202 N CYS X 118 SHEET 4 D 5 PHE X 94 LYS X 102 -1 N VAL X 100 O ALA X 203 SHEET 5 D 5 ALA X 244 PRO X 247 -1 O ALA X 244 N ALA X 97 SSBOND 1 CYS X 9 CYS X 48 1555 1555 2.03 SSBOND 2 CYS X 19 CYS X 39 1555 1555 2.04 SSBOND 3 CYS X 118 CYS X 194 1555 1555 2.04 SSBOND 4 CYS X 137 CYS X 331 1555 1555 2.04 SSBOND 5 CYS X 158 CYS X 174 1555 1555 2.02 SSBOND 6 CYS X 161 CYS X 179 1555 1555 2.03 SSBOND 7 CYS X 171 CYS X 177 1555 1555 2.02 SSBOND 8 CYS X 227 CYS X 241 1555 1555 2.04 LINK OD2 ASP X 63 FE FE X 500 1555 1555 2.30 LINK OH TYR X 95 FE FE X 500 1555 1555 1.99 LINK O ALA X 151 K K X 601 1555 1555 3.15 LINK O ASN X 152 K K X 601 1555 1555 3.36 LINK O PHE X 154 K K X 601 1555 1555 2.84 LINK OE1 GLN X 169 K K X 601 1555 1555 2.83 LINK OH TYR X 188 FE FE X 500 1555 1555 1.91 LINK NE2 HIS X 249 FE FE X 500 1555 1555 2.55 LINK FE FE X 500 O1 CO3 X 600 1555 1555 2.11 LINK FE FE X 500 O2 CO3 X 600 1555 1555 2.30 CISPEP 1 ALA X 73 PRO X 74 0 0.52 CISPEP 2 GLU X 141 PRO X 142 0 -0.18 CISPEP 3 LYS X 144 PRO X 145 0 -2.04 SITE 1 AC1 5 ASP X 63 TYR X 95 TYR X 188 HIS X 249 SITE 2 AC1 5 CO3 X 600 SITE 1 AC2 9 ASP X 63 TYR X 95 THR X 120 ARG X 124 SITE 2 AC2 9 SER X 125 ALA X 126 GLY X 127 TYR X 188 SITE 3 AC2 9 FE X 500 SITE 1 AC3 4 ALA X 151 ASN X 152 PHE X 154 GLN X 169 CRYST1 44.173 57.317 135.583 90.00 90.00 90.00 P 21 21 21 4 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.022638 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017447 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007376 0.00000